@Override
public ParceledListSlice<SessionInfo> getAllSessions(int userId) {
    mPermissionManager.enforceCrossUserPermission(
            Binder.getCallingUid(), userId, true, false, "getAllSessions");

    final List<SessionInfo> result = new ArrayList<>();
    synchronized (mSessions) {
        for (int i = 0; i < mSessions.size(); i++) {
            final PackageInstallerSession session = mSessions.valueAt(i);
            if (session.userId == userId) {
                result.add(session.generateInfo(false));
            }
        }
    }
    return new ParceledListSlice<>(result);
}
 

@Override
public ParceledListSlice<SessionInfo> getMySessions(String installerPackageName, int userId) {
    mPermissionManager.enforceCrossUserPermission(
            Binder.getCallingUid(), userId, true, false, "getMySessions");
    mAppOps.checkPackage(Binder.getCallingUid(), installerPackageName);

    final List<SessionInfo> result = new ArrayList<>();
    synchronized (mSessions) {
        for (int i = 0; i < mSessions.size(); i++) {
            final PackageInstallerSession session = mSessions.valueAt(i);

            SessionInfo info = session.generateInfo(false);
            if (Objects.equals(info.getInstallerPackageName(), installerPackageName)
                    && session.userId == userId) {
                result.add(info);
            }
        }
    }
    return new ParceledListSlice<>(result);
}
 

PackageInstallerCompatVL(Context context) {
    mInstaller = context.getPackageManager().getPackageInstaller();
    LauncherAppState.setApplicationContext(context.getApplicationContext());
    mCache = LauncherAppState.getInstance().getIconCache();
    mWorker = new Handler();

    mResumed = false;
    mBound = false;

    mInstaller.registerSessionCallback(mCallback, mWorker);

    // On start, send updates for all active sessions
    mWorker.post(new Runnable() {

        @Override
        public void run() {
            for (SessionInfo info : mInstaller.getAllSessions()) {
                mPendingReplays.append(info.getSessionId(), info);
            }
        }
    });
}
 

public SessionInfo generateInfo(boolean includeIcon) {
    final SessionInfo info = new SessionInfo();
    synchronized (mLock) {
        info.sessionId = sessionId;
        info.installerPackageName = mInstallerPackageName;
        info.resolvedBaseCodePath = (mResolvedBaseFile != null) ?
                mResolvedBaseFile.getAbsolutePath() : null;
        info.progress = mProgress;
        info.sealed = mSealed;
        info.active = mActiveCount.get() > 0;

        info.mode = params.mode;
        info.installReason = params.installReason;
        info.sizeBytes = params.sizeBytes;
        info.appPackageName = params.appPackageName;
        if (includeIcon) {
            info.appIcon = params.appIcon;
        }
        info.appLabel = params.appLabel;

        info.installLocation = params.installLocation;
        info.originatingUri = params.originatingUri;
        info.originatingUid = params.originatingUid;
        info.referrerUri = params.referrerUri;
        info.grantedRuntimePermissions = params.grantedRuntimePermissions;
        info.installFlags = params.installFlags;
    }
    return info;
}
 

@Override
public SessionInfo getSessionInfo(int sessionId) {
    synchronized (mSessions) {
        final PackageInstallerSession session = mSessions.get(sessionId);
        return session != null ? session.generateInfo() : null;
    }
}
 

@Override
public HashMap<String, Integer> updateAndGetActiveSessionCache() {
    HashMap<String, Integer> activePackages = new HashMap<>();
    UserHandle user = Process.myUserHandle();
    for (SessionInfo info : mInstaller.getAllSessions()) {
        addSessionInfoToCache(info, user);
        if (info.getAppPackageName() != null) {
            activePackages.put(info.getAppPackageName(), (int) (info.getProgress() * 100));
            mActiveSessions.put(info.getSessionId(), info.getAppPackageName());
        }
    }
    return activePackages;
}
 

@Thunk private void addSessionInfoToCache(SessionInfo info, UserHandle user) {
    String packageName = info.getAppPackageName();
    if (packageName != null) {
        mCache.cachePackageInstallInfo(packageName, user, info.getAppIcon(),
                info.getAppLabel());
    }
}
 

@Override
public void onProgressChanged(int sessionId, float progress) {
    SessionInfo session = mInstaller.getSessionInfo(sessionId);
    if (session != null && session.getAppPackageName() != null) {
        sendUpdate(new PackageInstallInfo(session.getAppPackageName(),
                STATUS_INSTALLING,
                (int) (session.getProgress() * 100)));
    }
}
 

private void pushSessionDisplayToLauncher(int sessionId) {
    SessionInfo session = mInstaller.getSessionInfo(sessionId);
    if (session != null && session.getAppPackageName() != null) {
        addSessionInfoToCache(session, Process.myUserHandle());
        LauncherAppState app = LauncherAppState.getInstanceNoCreate();

        if (app != null) {
            app.getModel().updateSessionDisplayInfo(session.getAppPackageName());
        }
    }
}
 

@Override
public HashMap<String, Integer> updateAndGetActiveSessionCache() {
    HashMap<String, Integer> activePackages = new HashMap<>();
    UserHandleCompat user = UserHandleCompat.myUserHandle();
    for (SessionInfo info : mInstaller.getAllSessions()) {
        addSessionInfoToCahce(info, user);
        if (info.getAppPackageName() != null) {
            activePackages.put(info.getAppPackageName(), (int) (info.getProgress() * 100));
            mActiveSessions.put(info.getSessionId(), info.getAppPackageName());
        }
    }
    return activePackages;
}
 

@Thunk void addSessionInfoToCahce(SessionInfo info, UserHandleCompat user) {
    String packageName = info.getAppPackageName();
    if (packageName != null) {
        mCache.cachePackageInstallInfo(packageName, user, info.getAppIcon(),
                info.getAppLabel());
    }
}
 

@Override
public void onProgressChanged(int sessionId, float progress) {
    SessionInfo session = mInstaller.getSessionInfo(sessionId);
    if (session != null) {
        sendUpdate(new PackageInstallInfo(session.getAppPackageName(),
                STATUS_INSTALLING,
                (int) (session.getProgress() * 100)));
    }
}
 

private void pushSessionDisplayToLauncher(int sessionId) {
    SessionInfo session = mInstaller.getSessionInfo(sessionId);
    if (session != null) {
        addSessionInfoToCahce(session, UserHandleCompat.myUserHandle());
        LauncherAppState app = LauncherAppState.getInstanceNoCreate();

        if (app != null) {
            app.getModel().updateSessionDisplayInfo(session.getAppPackageName());
        }
    }
}
 

@Override
public HashSet<String> updateAndGetActiveSessionCache() {
    HashSet<String> activePackages = new HashSet<String>();
    UserHandleCompat user = UserHandleCompat.myUserHandle();
    for (SessionInfo info : mInstaller.getAllSessions()) {
        addSessionInfoToCahce(info, user);
        if (info.getAppPackageName() != null) {
            activePackages.add(info.getAppPackageName());
        }
    }
    return activePackages;
}
 

private void addSessionInfoToCahce(SessionInfo info, UserHandleCompat user) {
    String packageName = info.getAppPackageName();
    if (packageName != null) {
        mCache.cachePackageInstallInfo(packageName, user, info.getAppIcon(),
                info.getAppLabel());
    }
}
 

@Override
public void onFinished(int sessionId, boolean success) {
    mPendingReplays.remove(sessionId);
    SessionInfo session = mInstaller.getSessionInfo(sessionId);
    if ((session != null) && (session.getAppPackageName() != null)) {
        mPendingBadgeUpdates.remove(session.getAppPackageName());
        // Replay all updates with a one time update for this installed package. No
        // need to store this record for future updates, as the app list will get
        // refreshed on resume.
        replayUpdates(new PackageInstallInfo(session.getAppPackageName(),
                success ? STATUS_INSTALLED : STATUS_FAILED, 0));
    }
}
 

@Override
public void onProgressChanged(int sessionId, float progress) {
    SessionInfo session = mInstaller.getSessionInfo(sessionId);
    if (session != null) {
        mPendingReplays.put(sessionId, session);
        replayUpdates(null);
    }
}
 

private void pushSessionBadgeToLauncher(int sessionId) {
    SessionInfo session = mInstaller.getSessionInfo(sessionId);
    if (session != null) {
        addSessionInfoToCahce(session, UserHandleCompat.myUserHandle());
        if (session.getAppPackageName() != null) {
            mPendingBadgeUpdates.add(session.getAppPackageName());
        }
        mPendingReplays.put(sessionId, session);
        replayUpdates(null);
    }
}
 

public SessionInfo generateInfo() {
    return generateInfo(true);
}
 

private void replayUpdates(PackageInstallInfo newInfo) {
    if (DEBUG) Log.d(TAG, "updates resumed");
    if (!mResumed || !mBound) {
        // Not yet ready
        return;
    }
    if ((mPendingReplays.size() == 0) && (newInfo == null)) {
        // Nothing to update
        return;
    }

    LauncherAppState app = LauncherAppState.getInstanceNoCreate();
    if (app == null) {
        // Try again later
        if (DEBUG) Log.d(TAG, "app is null, delaying send");
        return;
    }

    ArrayList<PackageInstallInfo> updates = new ArrayList<PackageInstallInfo>();
    if ((newInfo != null) && (newInfo.state != STATUS_INSTALLED)) {
        updates.add(newInfo);
    }
    for (int i = mPendingReplays.size() - 1; i >= 0; i--) {
        SessionInfo session = mPendingReplays.valueAt(i);
        if (session.getAppPackageName() != null) {
            updates.add(new PackageInstallInfo(session.getAppPackageName(),
                    STATUS_INSTALLING,
                    (int) (session.getProgress() * 100)));
        }
    }
    mPendingReplays.clear();
    if (!updates.isEmpty()) {
        app.setPackageState(updates);
    }

    if (!mPendingBadgeUpdates.isEmpty()) {
        for (String pkg : mPendingBadgeUpdates) {
            app.updatePackageBadge(pkg);
        }
        mPendingBadgeUpdates.clear();
    }
}